/*
 * Copyright 2019 Stephane Nicolas
 * Copyright 2019 Daniel Molinero Reguera
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package toothpick.testing;

import static java.lang.String.format;

import java.lang.reflect.Field;
import javax.inject.Provider;

class FieldValueProvider implements Provider {
  private final Field field;
  private final Object test;

  FieldValueProvider(Field field, Object test) {
    this.field = field;
    this.test = test;
    field.setAccessible(true);
  }

  @Override
  public Object get() {
    try {
      return field.get(test);
    } catch (IllegalAccessException e) {
      throw new RuntimeException(
          format(
              "Impossible to get the value of the @Mock annotated field %s. This should not happen.",
              field.getName()));
    }
  }
}
